Centers for Disease Control and Prevention. What you should know for the 2013-2014 influenza season. January 8, 2014.

Centers for Disease Control and Prevention. Seasonal influenza: flu basics. September 12, 2013.

Centers for Disease Control and Prevention.What you should know about flu antiviral drugs. September 17, 2013.

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Last reviewed on 8/29/2013

Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team.

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